UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ud7JbLF6llwqv5mnpsDN5gDnR6sNv82m/YDz8/kZN8o=' 
WHERE 
  key_id = '27b8c820bbdceb18c44e1aec569292fab7a2237d4335a1822e471974eeed5e8d' 
  AND (
    token = 'ud7JbLF6llwqv5mnpsDN5gDnR6sNv82m/YDz8/kZN8o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )